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diff --git a/estimation-scripts/README b/estimation-scripts/README new file mode 100644 index 0000000..00ba46f --- /dev/null +++ b/estimation-scripts/README @@ -0,0 +1,40 @@ +Introduction +============ + +This directory contains patches and scripts for my experiments regarding download time estimation +algorithms, using KTorrent for gathering data ;-) + +Files +===== + +enable-logging.diff - Patch to apply to enable logging download stats once per second to $KDEHOME/share/apps/ktorrent/log (by Ivan). Apply it if you want to help collecting test cases. + +processlog.rb - extracts logs for single torrents from $KDEHOME/share/apps/ktorrent/log and stores them in $FILENAME-torrent.log + +Sample.rb - class representing a sample, does the parsing (given a line from adjustTimestmaps output) + +Estimators.rb - Some basic estimators, for estimation based on current speed, average speed and moving average speed. + +EstimationResults.rb - Calculates and holds the estimation results of an estimator, including statistics such as relative error for each estimation, root mean square error and the like + +What to do +========== + +1) Apply the patch: In torrent/ dir, apply it via + + cat enable-logging.diff | patch -p0 + +2) Run ktorrent and download torrents. When completed, run processlog.rb: + + ruby processlog.rb $KDEHOME/share/apps/ktorrent/log + +Extracted logs end up in $TORRENTFILENAME-torrent.log. ATTENTION: existing files are overwritten! + +4) Now, analyze the -adjusted file with a ruby script, using Sample.rb, Estimators.rb, and EstimationResults.rb... ;-) +I will upload something useful as soon as finished. + + +Frank Osterfeld, <frank.osterfeld at kdemail.net> + + + |